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Stylomastoid artery

Blood vessel From Wikipedia, the free encyclopedia

Stylomastoid artery
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The stylomastoid artery enters the stylomastoid foramen and supplies the tympanic cavity, the tympanic antrum and mastoid cells, and the semicircular canals. It is a branch of the posterior auricular artery, and thus part of the external carotid arterial system.

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In the young subject, a branch from this vessel forms, with the anterior tympanic artery from the internal maxillary, a vascular circle, which surrounds the tympanic membrane, and from which delicate vessels ramify on that membrane.

It anastomoses with the superficial petrosal branch of the middle meningeal artery by a twig which enters the hiatus canalis facialis.

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References

Public domain This article incorporates text in the public domain from page 557 of the 20th edition of Gray's Anatomy (1918)


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